1351884823 has 4 divisors (see below), whose sum is σ = 1410662448. Its totient is φ = 1293107200.

The previous prime is 1351884811. The next prime is 1351884839. The reversal of 1351884823 is 3284881531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351884823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1351884823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351884323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29388778 + ... + 29388823.

It is an arithmetic number, because the mean of its divisors is an integer number (352665612).

Almost surely, 2^1351884823 is an apocalyptic number.

1351884823 is a deficient number, since it is larger than the sum of its proper divisors (58777625).

1351884823 is an equidigital number, since it uses as much as digits as its factorization.

1351884823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58777624.

The product of its digits is 184320, while the sum is 43.

The square root of 1351884823 is about 36767.9863876171. The cubic root of 1351884823 is about 1105.7235620563.

The spelling of 1351884823 in words is "one billion, three hundred fifty-one million, eight hundred eighty-four thousand, eight hundred twenty-three".